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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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 */

 /*

  * @test

  * @bug     6294607

  * @summary Test verifies whether ImageWriteParam.getCompressionTypes()

  *          returns any duplicate compression type for ImageIO plugins.

  * @run     main ImageCompressionTypesTest

  */

import java.util.Iterator;

import javax.imageio.ImageIO;

import javax.imageio.ImageWriteParam;

import javax.imageio.ImageWriter;

public class ImageCompressionTypesTest {

    static ImageWriter writer = null;

    public ImageCompressionTypesTest(String format) {

        Iterator it = ImageIO.getImageWritersByFormatName(format);

        while (it.hasNext()) {

            writer = (ImageWriter) it.next();

            break;

        }

        ImageWriteParam param = writer.getDefaultWriteParam();

        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);

        System.out.println("Checking compression types for : " + format);

        String compTypes[] = param.getCompressionTypes();

        if (compTypes.length > 1) {

            for (int i = 0; i < compTypes.length; i++) {

                for (int j = i + 1; j < compTypes.length; j++) {

                    if (compTypes[i].equalsIgnoreCase(compTypes[j])) {

                        throw new RuntimeException("Duplicate compression"

                                + " type exists for image format " + format);

                    }

                }

            }

        }

    }

    public static void main(String args[]) {

        final String[] formats = {"bmp", "png", "gif", "jpg", "tiff"};

        for (String format : formats) {

            new ImageCompressionTypesTest(format);

        }

    }

}